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  1. MechEracing

    Hard Surfacing Valve Seat w/PTAW Process Low Hardness (CoCr Filler)

    I'm working on qualifying a weld procedure for hard surfacing of a valve and running into some hardness concerns. Base Material for weld procedure: Q&T 4340 Process: PTAW Auto Filler Material: Cobalt-Chrome based powder C: 1.58, Mn: .42, Si: 1.50, Cr: 26.79, Ni: 2.26, W: 4.40, Fe: .50, Co: Bal...
  2. MechEracing

    Help Determining Cast Material

    We are looking to replace some old cast pieces in one of our heat treat ovens. I haven't been able to locate the original specs on the part. We ran an Arcmet and Xmet analysis on the material to narrow down the material type. However, I haven't been able to cross-reference it with anything...

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